Cydia - An alternative app store for jailbroken devices.
GOG.com - DRM-free game store, selling both new and old titles. No clients required.
Zestia - Zestia is a mobile app designed to assist you in organizing your hectic schedule, social life, and professional persona.
Origin - Origin is your new digital playground. It’s where you go to find the best that EA has to offer.
Fnd - Browse Apple App Store and iTunes on the Web
itch.io - An online game marketplace and community.